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T..J.TH0RP MAGAZINE GUN Nul/173,370.' Patented Apr. 19, 18,92.

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Patented Apr. 19, 1892.

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T. J TH'ORP. MAGAZINE GUN.

Y N0.473,37o. PatenteaApr.19,1892.

UNITED STATES PATENT OEEICE. Y

THOMAS J. THORP, OF CHICAGO, ILLINOIS.

MAGAZIN E-G U N.

SPECIFICATION forming part of Letters Patent No. 473,370, dated April19, 1892.

Application filed May 27. 1891. Serial No. 394,293. (No model.)

To all whom t may concern:

Be it known that I, THOMAS J. THORP, a resident of Chicago, in thecounty of Cook and State of Iliinois, have invented certain new anduseful Improvements in Magazine- Gnns; and I do hereby declare thefollowing to be a full, clear, and exact description of the invention,such as will enable others skilled in the art to which it pertains tomake and usethe same.

The invention relates to magazine-rearms, and has for its objects tosecure certainty and safety in action and to simplify and cheapen theconstruction so far as consistent with the attainment of theseadvantages; and it consists in the matters hereinafter described, andparticularly pointed out in the claims.

In the accompanying drawings, Figure l-is a plan of the combined stockand receiver and breech-frame, the barrel being broken away in part.Fig. 2 isa side elevation of the same. Fig. 3 is a section on line 6 6of Fig. 2. Fig. 4 is a section on the line 7 7 of Fig. I and showingparts situated as immediately after exploding the cartridge, the latterbeing omitted. Fig. 5 is a similar view, the gun being shown as cocked.Fig. 6 is a longitudinal section of the breech-block, and Fig. '7 an endelevation of the same. Fig. 8 is a section of a cartridge. Fig. 9 isatransverse section on line 2 2 of Fig. 4. Fig. IO is a transversesection on line 3 3. Fig. 11 is a like view on line 4 4. Figs. 12 and 13are similar views on line l I. Fig. I4 is a longitudinal sectionon linelO 10 of'Fig. l, the breech-plate being shown in raised or openedposition. Fig. I5 is a section on line 9 9 of Fig. I4. Fig. 16 is asection on line 8 8 of Fig. 14. Fig. 17 is an elevation of acartridge-magazine. Fig. 18 is a central side elevation of one sectionor half of the stock and receiver, showing cartridge,

gun by means of suitable anges and screwsA or the like, as indicated.The barrel is secured to this receiver by the medium of an interposedbreech-frame E, which isfastened to the receiver.

a2 is a transverse bridge or bar made fast in the breech-frame andadapted to engage a hook a3, fast on the gun-barrel.

a4 is a loop on the barrel, adapted to receive a key a', which passesthrough -and is held in' slots in the sides of the frame.

Vithin the combined stock and receiver are arranged two magazines L,closed at the rear by screw-plugs L, To thesel plugs are attachedsprings N', the front ends of which are secured tostaples OX, Iixed inthe followers N. Beneath theV magazines are two tubes M, containing rodsor plungers having handles M4 provided with tubular extensions M5,adapted to tit the ends of the tubes M. To the handles M4 are securedthe rods m', which at their forward ends are furnished with pins M3,adapted to fit and movein slots L3, formed in the bottom of themagazines. Projections N2 on the followers N also move in these grooves.These projections are engaged by the pins whenever the followers are intheir forward position, as occurs when the magazines are emptied ofcartridges. At such times by withdrawinga rod M its pin M3 moves thefollower toward the rear and compresses the spring, the opening L5 inthe magazine being thereby left unobstructed by the spring, whereupon ifthe sliding cover O be withdrawn by means of its handle O3 the openingL5 is entirely nnobstructed and the magazine can be charged withcartridges. To permit the abovedescribed withdrawal of the plunger-rodsM the breech-plate H4 is turned back on its hinges, as shown\i n Fig.14.

P is a spring secured at P3 and provided with a knob P and also with apin P2, adapt- IOO ed to engage an opening in the slide O, from which itcan be disengaged by pressing upon the knob P. The spring M2 forces therod M back into its tube when the handle is released after charging themagazine with cartridges. At such time the spring N tends to pushforward the follower N and the cartridges.

In Fig. 3 are shown a magazine emptied and having its follower withdrawnand springcompressed, (see, also, Fig. 14,) and also a seoond magazinehaving therein a single cartridge,asecond cartridge discharged from themagazine and resting in the carrier D being also shown. This carrierrevolves on an axis D, having bearings in the breech-frame and in thereceiver. It is furnished with four openings or chambers D4, which canbe made to register with the magazine at will by revolving the carrierby means of its milled head D2, the breech-frame being open below togive easy access to said head, which has four divisions, correspondingto the cartridgecham bers D4 in the carrier.

Upon the axle D are pivotally supported the spring-held stop-plates Gand G, Vwhich normally close the end of the magazine and resist thetendency of the springs'N to push out the cartridges. Either of saidplates can be moved out of the path ofa cartridge at will by means ofthethumb-piece thereon,the spring G2 being compressed in the operationand automatically returning the plate over the end of the magazine whensaid plate is released. The carrier When revolved is held in properalignment by a spring D5. Either plate G or G can be lnoved from infront of a magazine and the carrier can be revolved in either direction,and cartridges therefore can be taken from either magazine at will. rlheproper turning of the carrier D carries a cartridge, which has beenpushed therein by spring N', into alignment with the bore ofthe gun andin situation to be pushed therein and exploded,which operations areeffected by the devices to be next described.

C4 is a breech-block movably supported at its front end in a way formedin the end of receiver and in line with the bore of the gun and havingits rear end secured to a hammercarrying frame K, fitted to and movablelengthwise in the receiver.

C is a firing-pin having a head C2 and a recoil-spring C.

K is the hammer pivoted at K4, its upper end extended through an openingH5 in the receiver.

Within the guard H is the trigger K2, pivoted at K5.

The sear K6 is held in engagement with the hammer by means of the springK5, pivoted at K7. Said spring also operates the hammer and forcesforward the firing-pin when the hammer is relieved from the sear bypulling the trigger. The trigger extends down through a slot H5 in thereceiver. The hammer is located between the magazines. (See Fig. 13.)

The hammer-carrying frame is attached in the present instance by meansof a pin or screw J 5 to the rear of the breech-block, to be movedlongitudinally by means of the lever J, which supports an adjustablesight J', said lever having a fulcrum at J3 and being attached to thebreechebloek by means of screws J2. (See Fig. 1l.) These screws passloosely through slots J4 in the level'.

H2 is a slot in the receiver to permit the movements of said lever. Thefulcrum J3 is supported in a bracket J5, made fast to the bottom of thereceiver. Byturning lever J on its fulcrum or pivot the breech-block ismoved toward the front or rear, as the case may be, and as the block isattached to the ham mer-supporting frame that is also moved.

I H5 is a slot in the receiver for the trigger. As shown in Fig. 4, theparts are in their forward position, while their rearward position isshown in Fig. 5. In the latter position the lever lies close to thereceiver and the hammer is withdrawn within the same and is thoroughlyguarded. Even should the lever J be accidentally thrown up and thehammer-frame slid forward, the hammer is not thereby 0perated. t is alsoguarded by the lever against an accidental operation, such asmay occurby carelesslydrawing the gun through a fence or through brush.

The hammer is driven forward to explode the fulminate in the cartridgewhen in its forward position by pulling the trigger, which releases thesear and compresses the spring K5, which immediately forces the hammeragainst the firing-pin and moves it through the breech-block andexplodes the cartridge, the retracting-pin C being compressed in theoperation.

The cartridge having been carried up by the before-described movement ofthe carrier D, and thereby pushed across the end of the breech-block,which at such time is in the position shown in Fig. 5, has its flange orrim engaged by the lips C5 of the breech-block. After the cart-ridge hasbeen pushed into the barrel it, or after its explosion its shell, can bewithdrawn by the breech-block having said lips into a chamber D4 andthereupon extracted by rotating the carrier. Vhen the chamber holdingthe cartridge or shell, as the case may be, is vmoved to the lower side,its contents are dropped out through an opening E in the frame.Obviously the cartridges could be thus removed before their explosion.The rearward movement of the leverJ and of the hammer cocks the same bythe agency of the finger J 5, which overhangs the fixed pin J 7 in suchmanner that the hammer is turned back on its pivot as the frame K movesaway from said pin J l until the finger is released. The engagement ofthis pin with the finger J8 (see Fig. 4) locks the breech -block andhammer-frame through the medium of the hammer until such time as thelatter is turned back on its pivot by means of lever J and the lingerthus lifted from the pin.

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Many of the mechanical details of construction illustrated can bechanged without departurefrom the invention, provided themechanicalprinciples and operation are not materially varied.

The invention is not limited to the use of two magazines nor tomagazines of a particular capacity, and portions of the invention may beused without others, if desired.

Having thus described my invention, what I desire to secure by LettersPatent is- 1. The combined stock and receiver made in two longitudinalhalves secured together by screws or the like and having an inclosedcartridge-magazine extending to near the butt of the stock, having anopening for the insertion of cartridges, substantially as set forth. 4

2. The combination of the barrel, the breechframe provided with anopening E', and the breech block receiver with the cartridgemagazine andthe revolving chambered cartridge-carrier journaled to revolve at theend of the barrel and in the breech-frame and having a part extendinginto the opening,where by the carrier can be revolved and acartridge orshell removed, substantially as set forth.

3. The combined receiver and stock having a chamber extending from thebreech-frame to or near to the butt of the stock and a magazine locatedin said chamber and a plungerrod provided with a projection, themagazine being slotted to receive the projection, a cartridge-forcingspring, anda follower, said follower having a part located in the pathof said projection, substantially as set forth.'

4. The magazine located in the combined receiver and stock, a pivotedplate accessible to the hand from outside said receiver, said platebeing normally extended across the mouth of the magazine, and a springadapted to hold the plate in such position in a yielding manner,substantially as set forth.

5. The combined receiver and stock, the two magazines extending aboutthe whole length thereof, the breech-block and firing-pin located abovesaid magazines, and the hammer pivoted in the receiver and locatedbetween the magazines, substantially as set forth.

6. The combined receiver and stock, the two magazines extending aboutthe whole length thereof, the breech-block and ring-pin located abovesaid magazines, and the hammer' pivoted in the receiver and locatedbetween the magazines, said hammer normally extending through a slot inthe receiver-wall and adapted to be moved into and entirely concealedwithin the receiver, substantially as set forth. y

7. In a magazine-gun, the receiver, the breech-block and thehammer-frame, said block and frame being rigidly secured together andcombined with mechanism for sliding them bodilyin a right line in thereceiver the length of a cartridge, and devices for locking the combinedlock-frame and breech-block in their forward position, substantially asset forth.

8. The combination of the receiver, the sliding ham mer-frame having thebreech-block attached thereto, and thelever pivotally secured to saidframe and provided with slots J4, the said breech-block having pinsengaging the lever in said slots, whereby the swinging of the lever onits xed pivot moves the block and the hammer-frame and hammer,substantially as set forth. Y

9. The combination of the receiver, the sliding hammer-frame havin g thebreech-block attached thereto, and the lever pivotally secured to saidframe and provided with slots J 4, said breech-block having pinsengaging the lever in said slots, whereby the swinging of the lever onits fixed pivot moves theblock and the hammer-frame and hammer, saidhammer having a linger JS engaging a iixed pin in the receiver, wherebywhen the frame is moved to the rear the ham mer is cocked, substantiallyas set forth.

lO. The combined stock and receiver, the magazines located in saidreceiver and extending about its whole length, said magazines beingprovided with cartridge-moving springs and with removable plugs, theplungers adapted to compress the spring, and the hinged breech-plate togive access to the plugs and to the plunger-handles, substantiallyas setforth.

In testimony whereof I have signed this specification in the presence oftwo subscribing witnesses.

THOMAS J. THORP.

Witnesses:

L. B. CONANT, CHAs. S. CARTER.

